Java SystemFlavorMap.setFlavorsForNative方法代码示例

import java.awt.datatransfer.SystemFlavorMap; //导入方法依赖的package包/类
public static void main(String[] args) throws Exception {
        final String nativeString = "NATIVE";

        final SystemFlavorMap fm =
            (SystemFlavorMap)SystemFlavorMap.getDefaultFlavorMap();

        fm.setNativesForFlavor(DataFlavor.plainTextFlavor,
                               new String[] { nativeString });

        final java.util.List natives =
            fm.getNativesForFlavor(DataFlavor.plainTextFlavor);

        if (natives.size() != 1 || !natives.contains(nativeString)) {
            throw new RuntimeException("getNativesForFlavor() returns:" +
                                       natives);
        }

        final DataFlavor dataFlavor =
            new DataFlavor("text/unknown; class=java.lang.String");

        fm.setFlavorsForNative(nativeString, new DataFlavor[] { dataFlavor });

        final java.util.List flavors = fm.getFlavorsForNative(nativeString);

        if (flavors.size() != 1 || !flavors.contains(dataFlavor)) {
            throw new RuntimeException("getFlavorsForNative() returns:" +
                                       flavors);
        }
}
 

import java.awt.datatransfer.SystemFlavorMap; //导入方法依赖的package包/类
public void doTest() {
    flavorMap = (SystemFlavorMap)SystemFlavorMap.getDefaultFlavorMap();

    // Get SystemFlavorMap Maps of String Natives and DataFlavors
    mapFlavors = flavorMap.getNativesForFlavors(null);
    mapNatives = flavorMap.getFlavorsForNatives(null);

    hashFlavors = new Hashtable(mapFlavors);
    hashNatives = new Hashtable(mapNatives);


    // Test setFlavorsForNative(String nat, DataFlavors[] flavors);
    //
    // Enumerate through all the system defined String natives,
    // and for each String native, define it again to the SystemFlavorMap
    // with a slightly modified String native (name).
    //
    // For verification, a seperate Hashtable will be maintained of the additions.
    String key;
    hashVerify = new Hashtable();

    for (Enumeration e = hashNatives.keys() ; e.hasMoreElements() ;) {
        key = (String)e.nextElement();

        java.util.List listFlavors = flavorMap.getFlavorsForNative(key);
        Vector vectorFlavors = new Vector(listFlavors);
        DataFlavor[] arrayFlavors = (DataFlavor[])vectorFlavors.toArray(new DataFlavor[0]);

        key = key.concat("TEST");   // construct a unique String native
                                    // define the new String native entry
        flavorMap.setFlavorsForNative(key, arrayFlavors);
                                    // keep track of this new native entry
        hashVerify.put(key, vectorFlavors);
    }

    // After establishing "new" mappings, verify that the defined
    // DataFlavors can be retrieved and that the List (order) is preserved.
    verifyNewMappings();
}
 

import java.awt.datatransfer.SystemFlavorMap; //导入方法依赖的package包/类
static void leaveFormat(String format) {
    SystemFlavorMap sfm = (SystemFlavorMap) SystemFlavorMap.getDefaultFlavorMap();
    sfm.setFlavorsForNative(format, new DataFlavor[]{DataFlavor.imageFlavor});
    sfm.setNativesForFlavor(DataFlavor.imageFlavor, new String[]{format});
}